Resend API (unofficial showcase)
POST/contacts/{contact_id}/segments/{segment_id}

Add a contact to a segment

Adds a contact to a segment. Supply the contact’s ID or email address and the segment ID to select the membership to create.

  • IdempotentThe SDK sends Idempotency-Key, so a retried request is only applied once.

2 parameters
contact_idstringrequired
The contact’s ID or email address.
segment_idstringrequired
The ID of the segment to add the contact to.

1 status code
200Returns the response object type, contact ID, and segment ID.
objectstringoptional
The object type.
contact_idstringoptional
The ID of the contact.
segment_idstringoptional
The ID of the segment.

Error handling

The contact_id path parameter must identify the contact by ID or email address. The segment_id path parameter must identify the segment to add the contact to.